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Poster for the European Parliament election 2004 in Italy, showing party lists Party-list proportional representation systems are a family of voting systems emphasizing proportional representation in elections in which multiple candidates are elected (e.g., elections to parliament) through allocations to an electoral list. They can also be used as part of mixed additional member systems. In these systems, parties make lists of candidates to be elected, and seats are distributed to each party in proportion to the number of votes the party receives. Voters may vote for the party, as in Albania, Argentina, Turkey, and Israel; or for candidates whose vote total will pool to the party/parties, as in Finland, Brazil and the Netherlands; or for a list of candidates, as in Hong Kong; or a choice between the last two ways stated: Luxembourg's ("panachage") and ("list vote"). The order in which a party's list candidates get elected may be pre-determined by some method internal to the party or the candidates (a closed list system) or it may be determined by the voters at large (an open list system) or by districts (a local list system). Many variations on seat allocation within party-list proportional representation exist. The two most common are: * The highest average method, including the D'Hondt method used in Albania, Argentina, Armenia, Austria, Brazil, Bulgaria, Croatia, Cambodia, Estonia, Finland, Israel, Poland, Spain and many other countries; and the Sainte-Laguë method used in Norway, Sweden, New Zealand, the German Bundestag, and in six German states (e.g., North Rhine-Westphalia and Bremen). * The largest remainder (LR) methods, including the Hamilton method. List proportional representation may also be combined in various hybrids, e.g., using the additional member system. List of main apportionment methods: * Macanese "d'Hondt method" (greatly favors small parties) * Huntington-Hill method (slightly favors small parties) * Webster/Sainte-Laguë method, LR-Hare (slightly favors very small parties when unmodified, if there is no electoral threshold) * LR-Droop (very slightly favors larger parties) * D'Hondt method (slightly favors larger parties) * LR-Imperiali (greatly favors larger parties) While the allocation formula is important, equally important is the district magnitude (number of seats in a constituency). The higher the district magnitude, the more proportional an electoral system becomes - the most proportional being when there is no division into constituencies at all and the entire country is treated as a single constituency. More, in some countries the electoral system works on two levels: at-large for parties, and in constituencies for candidates, with local party-lists seen as fractions of general, national lists. In this case, magnitude of local constituencies is irrelevant, seat apportionment being calculated at national level. In France, party lists in proportional elections must include as many candidates (and twice as many substitutes for the departmental elections) as there are seats to be allocated, whereas in other countries "incomplete" lists are allowed.

See also

*Comparison of the Hare and Droop quotas *Outline of democracy *List MP *Leveling seats *Ley de Lemas *Sectoral representation in the House of Representatives of the Philippines *General ticket, a term usually given to less or non proportional equivalents

References



External links


Advantages and disadvantages of List PR
- from th
ACE ProjectOpen, Closed and Free Lists
- from th
ACE ProjectHandbook of Electoral System Choice

Glossary of Electoral Formulas
{{voting systems Category:Proportional representation electoral systems